🚀 go-pugleaf

Tim Bradshaw <tfb@cley.com> writes:

>Can anyone tell me if all the ultra 2 CPU modules are compatible with
>any ultra 2?  I have a couple of boxes with 200MHz CPUs in and I'm
>wondering if I can put 300 or 400MHz ones in there and have them work
>(basically I want a scratch box, with sbus - cheap differential scsi -
>to run Solaris 10 on).

Mostly yes. They will work, but make sure you put CPU's in of the same speed
and cache size if you plan on running with two CPU's fitted. Also check that
you set jumper J2301 correctly if the machine has one of the production
501-3132 system boards. The pre-FCS 501-2487 system boards didn't have that
jumper.

Check the system handbook data for the Ultra 2 system boards for more info -
you can find all the data you need about Ultra 2's in general in my
public-domain Sun system handbook archive at this URL:

http://www.sunshack.org/data/sh/2.1/infoserver.central/data/syshbk/Systems/U2/U2.html

and you can get direct info about the CPU's using the links at:

http://www.sunshack.org/data/sh/2.1/infoserver.central/data/syshbk/Devices/CPU_Module/UltraSPARC_TOC.html

and for the actual system boards at:

http://www.sunshack.org/data/sh/2.1/infoserver.central/data/syshbk/Devices/System_Board/SYSBD_Ultra2.html

Regards,

Craig.
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